# Maxem vs 3DM Viewer

The clearest difference is update cadence: Maxem at fortnightly against 3DM Viewer's every 8 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Maxem ships an update fortnightly, 3DM Viewer every 8 months. The most recent releases landed on October 1, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Maxem | 3DM Viewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 8 months |
| Size | 15 MB | 38 MB |
| Requires iOS | **13.4** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Maxem Energy Solutions B.V](https://appshunter.io/developer/1240232203) | [锡敏 石](https://appshunter.io/developer/1015833793) |

## What reviewers say

### Maxem

[App page](https://appshunter.io/ios/app/maxem/id1265072150)

**Features:** macOS Compatibility

**In-app purchases:** none


### 3DM Viewer

[App page](https://appshunter.io/ios/app/3dm-viewer/id6730112624)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Maxem free?

Maxem is free to download, with no in-app purchases.

### Is 3DM Viewer free?

3DM Viewer is free to download, with no in-app purchases.

### Do Maxem or 3DM Viewer have ads?

Neither Maxem nor 3DM Viewer shows ads.

### Which is updated more often, Maxem or 3DM Viewer?

Maxem ships an update fortnightly, and 3DM Viewer every 8 months. Most recently, Maxem was updated on October 1, 2026 and 3DM Viewer on October 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*